* Map a request to scatterlist, return number of sg entries setup. Caller
* must make sure sg can hold rq->nr_phys_segments entries.
*/
-int __blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist, struct scatterlist **last_sg)
+int __blk_rq_map_sg(struct request *rq, struct scatterlist *sglist,
+ struct scatterlist **last_sg)
{
struct req_iterator iter = {
.bio = rq->bio,
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
- buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);
+ buf->sg_cnt = blk_rq_map_sg(req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
unsigned int nents;
/* Map the scatter list for DMA access */
- nents = blk_rq_map_sg(hctx->queue, rq, command->sg);
+ nents = blk_rq_map_sg(rq, command->sg);
nents = dma_map_sg(&dd->pdev->dev, command->sg, nents, dma_dir);
prefetch(&port->flags);
* See queue limits.
*/
if ((req_op(rq) != REQ_OP_DISCARD) && (req_op(rq) != REQ_OP_WRITE_ZEROES))
- sg_cnt = blk_rq_map_sg(dev->queue, rq, iu->sgt.sgl);
+ sg_cnt = blk_rq_map_sg(rq, iu->sgt.sgl);
if (sg_cnt == 0)
sg_mark_end(&iu->sgt.sgl[0]);
}
sg_init_table(sg, port->ring_cookies);
- nsg = blk_rq_map_sg(req->q, req, sg);
+ nsg = blk_rq_map_sg(req, sg);
len = 0;
for (i = 0; i < nsg; i++)
if (unlikely(err))
return -ENOMEM;
- return blk_rq_map_sg(hctx->queue, req, vbr->sg_table.sgl);
+ return blk_rq_map_sg(req, vbr->sg_table.sgl);
}
static void virtblk_cleanup_cmd(struct request *req)
id = blkif_ring_get_request(rinfo, req, &final_ring_req);
ring_req = &rinfo->shadow[id].req;
- num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg);
+ num_sg = blk_rq_map_sg(req, rinfo->shadow[id].sg);
num_grant = 0;
/* Calculate the number of grant used */
for_each_sg(rinfo->shadow[id].sg, sg, num_sg, i)
/* process the request */
dbg_verbose("IO: processing new request");
- blk_rq_map_sg(msb->queue, req, sg);
+ blk_rq_map_sg(req, sg);
lba = blk_rq_pos(req);
while (true) {
msb->current_page = 0;
msb->current_seg = 0;
- msb->seg_count = blk_rq_map_sg(msb->block_req->q,
- msb->block_req,
- msb->req_sg);
+ msb->seg_count = blk_rq_map_sg(msb->block_req, msb->req_sg);
if (!msb->seg_count) {
unsigned int bytes = blk_rq_cur_bytes(msb->block_req);
{
struct request *req = mmc_queue_req_to_req(mqrq);
- return blk_rq_map_sg(mq->queue, req, mqrq->sg);
+ return blk_rq_map_sg(req, mqrq->sg);
}
* and ubi_read_sg() will check that limit.
*/
ubi_sgl_init(&pdu->usgl);
- blk_rq_map_sg(req->q, req, pdu->usgl.sg);
+ blk_rq_map_sg(req, pdu->usgl.sg);
while (bytes_left) {
/*
if (!iod->sg)
return BLK_STS_RESOURCE;
sg_init_table(iod->sg, blk_rq_nr_phys_segments(req));
- iod->nents = blk_rq_map_sg(req->q, req, iod->sg);
+ iod->nents = blk_rq_map_sg(req, iod->sg);
if (!iod->nents)
goto out_free_sg;
if (ret)
return -ENOMEM;
- op->nents = blk_rq_map_sg(rq->q, rq, freq->sg_table.sgl);
+ op->nents = blk_rq_map_sg(rq, freq->sg_table.sgl);
WARN_ON(op->nents > blk_rq_nr_phys_segments(rq));
freq->sg_cnt = fc_dma_map_sg(ctrl->lport->dev, freq->sg_table.sgl,
op->nents, rq_dma_dir(rq));
if (!iod->sgt.sgl)
return BLK_STS_RESOURCE;
sg_init_table(iod->sgt.sgl, blk_rq_nr_phys_segments(req));
- iod->sgt.orig_nents = blk_rq_map_sg(req->q, req, iod->sgt.sgl);
+ iod->sgt.orig_nents = blk_rq_map_sg(req, iod->sgt.sgl);
if (!iod->sgt.orig_nents)
goto out_free_sg;
if (ret)
return -ENOMEM;
- req->data_sgl.nents = blk_rq_map_sg(rq->q, rq,
- req->data_sgl.sg_table.sgl);
+ req->data_sgl.nents = blk_rq_map_sg(rq, req->data_sgl.sg_table.sgl);
*count = ib_dma_map_sg(ibdev, req->data_sgl.sg_table.sgl,
req->data_sgl.nents, rq_dma_dir(rq));
}
iod->req.sg = iod->sg_table.sgl;
- iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl);
+ iod->req.sg_cnt = blk_rq_map_sg(req, iod->sg_table.sgl);
iod->req.transfer_len = blk_rq_payload_bytes(req);
}
* Next, walk the list, and fill in the addresses and sizes of
* each segment.
*/
- count = __blk_rq_map_sg(rq->q, rq, cmd->sdb.table.sgl, &last_sg);
+ count = __blk_rq_map_sg(rq, cmd->sdb.table.sgl, &last_sg);
if (blk_rq_bytes(rq) & rq->q->limits.dma_pad_mask) {
unsigned int pad_len =
return max_t(unsigned short, rq->nr_phys_segments, 1);
}
-int __blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist, struct scatterlist **last_sg);
-static inline int blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist)
+int __blk_rq_map_sg(struct request *rq, struct scatterlist *sglist,
+ struct scatterlist **last_sg);
+static inline int blk_rq_map_sg(struct request *rq, struct scatterlist *sglist)
{
struct scatterlist *last_sg = NULL;
- return __blk_rq_map_sg(q, rq, sglist, &last_sg);
+ return __blk_rq_map_sg(rq, sglist, &last_sg);
}
void blk_dump_rq_flags(struct request *, char *);